package com.camp.android.trip.n.track.trip;

import java.io.File;

import android.app.ActionBar;
import android.app.FragmentTransaction;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.app.NavUtils;
import android.support.v4.app.ShareCompat;
import android.support.v4.view.ViewPager;
import android.util.Log;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import com.camp.android.trip.n.track.DatabaseManager;
import com.camp.android.trip.n.track.NewItemActivity;
import com.camp.android.trip.n.track.NewTripActivity;
import com.camp.android.trip.n.track.R;
import com.camp.android.trip.n.track.Trip;

public class TripItineraryActivity extends FragmentActivity implements
		ActionBar.TabListener {

	public int trip_id;
	/**
	 * The {@link android.support.v4.view.PagerAdapter} that will provide
	 * fragments for each of the sections. We use a
	 * {@link android.support.v4.app.FragmentPagerAdapter} derivative, which
	 * will keep every loaded fragment in memory. If this becomes too memory
	 * intensive, it may be best to switch to a
	 * {@link android.support.v4.app.FragmentStatePagerAdapter}.
	 */
	SectionsPagerAdapter mSectionsPagerAdapter;

	/**
	 * The {@link ViewPager} that will host the section contents.
	 */
	ViewPager mViewPager;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_trip_itinerary);
		getActionBar().setDisplayHomeAsUpEnabled(true);
		// Create the adapter that will return a fragment for each of the three
		// primary sections
		// of the app.
		mSectionsPagerAdapter = new SectionsPagerAdapter(
				getSupportFragmentManager());

		// Set up the action bar.
		final ActionBar actionBar = getActionBar();
		actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

		// Set up the ViewPager with the sections adapter.
		mViewPager = (ViewPager) findViewById(R.id.pager);
		mViewPager.setAdapter(mSectionsPagerAdapter);

		// When swiping between different sections, select the corresponding
		// tab.
		// We can also use ActionBar.Tab#select() to do this if we have a
		// reference to the
		// Tab.
		mViewPager
				.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
					@Override
					public void onPageSelected(int position) {
						actionBar.setSelectedNavigationItem(position);
					}
				});

		// For each of the sections in the app, add a tab to the action bar.
		for (int i = 0; i < mSectionsPagerAdapter.getCount(); i++) {
			// Create a tab with text corresponding to the page title defined by
			// the adapter.
			// Also specify this Activity object, which implements the
			// TabListener interface, as the
			// listener for when this tab is selected.
			actionBar.addTab(actionBar.newTab()
					.setText(mSectionsPagerAdapter.getPageTitle(i))
					.setTabListener(this));
		}
		Intent i = getIntent();

		trip_id = Integer.parseInt(i.getStringExtra("trip_id"));
		Log.i("TripItinerary",""+trip_id);
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		getMenuInflater().inflate(R.menu.activity_trip_itinerary, menu);
		return true;
	}
	
	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		switch (item.getItemId()) {
		case android.R.id.home:
			NavUtils.navigateUpFromSameTask(this);
			return true;

		case (R.id.tab_trip_add):
			Intent intent = new Intent(this, NewItemActivity.class);
			intent.putExtra("trip_id", Integer.toString(trip_id));

			startActivity(intent);
			return true;
		case (R.id.tab_trip_share):
			Trip trip = new DatabaseManager(this).getTripById(trip_id);
			Intent shareIntent = ShareCompat.IntentBuilder
					.from(this)
					.setText(
							"I made an trip with Trip 'n Track, " + trip.name
									+ " for my trip to " + trip.city + " - get the app at http://play.google.com")
					.setType("text/plain").getIntent();

			startActivity(shareIntent);
			
			return true;
		case (R.id.tab_trip_edit):
			Intent i = new Intent(this, NewTripActivity.class);
			i.putExtra("trip_id", Integer.toString(trip_id));
			startActivity(i);
			return true;
		case (R.id.tab_trip_delete):
			new DatabaseManager(this).deleteTrip(trip_id);
			NavUtils.navigateUpFromSameTask(this);
			return true;
		}
		return super.onOptionsItemSelected(item);
	}

	@Override
	public void onTabUnselected(ActionBar.Tab tab,
			FragmentTransaction fragmentTransaction) {
	}

	@Override
	public void onTabSelected(ActionBar.Tab tab,
			FragmentTransaction fragmentTransaction) {
		// When the given tab is selected, switch to the corresponding page in
		// the ViewPager and refresh list.
		mViewPager.setAdapter(mSectionsPagerAdapter);
		mViewPager.setCurrentItem(tab.getPosition());

		Log.i("TAG", "Tab position: " + tab.getPosition());
	}

	@Override
	public void onTabReselected(ActionBar.Tab tab,
			FragmentTransaction fragmentTransaction) {
	}

	@Override
	protected void onResumeFragments() {
		// TODO Auto-generated method stub
		super.onResumeFragments();

		// Refresh list
		refreshList();

		Log.i("TirpItineraryActivity", "OnResumeFragments, currentItem: "
				+ mViewPager.getCurrentItem());
	}

	/**
	 * A {@link FragmentPagerAdapter} that returns a fragment corresponding to
	 * one of the primary sections of the app.
	 */
	public class SectionsPagerAdapter extends FragmentPagerAdapter {

		public SectionsPagerAdapter(FragmentManager fm) {
			super(fm);
		}

		@Override
		public Fragment getItem(int i) {
			Log.i("TripItin", "get item i=" + i);

			Fragment fragment = null;
			Bundle args = new Bundle();

			switch (i) {
			case 0:
				Log.i("TAG", "Getting details fragment");
				fragment = new TripDetailsFragment();
				break;
			case 1:
				Log.i("TAG", "Getting itinerary fragment");
				fragment = new TripItineraryFragment(trip_id);
				
				break;
			case 2:
				Log.i("TAG", "Getting recommendations fragment");
				fragment = new TripRecommendationsFragment(trip_id);
				
				break;

			default:
				break;
			}
			// Fragment fragment = new DummySectionFragment();
			// Bundle args = new Bundle();
			// args.putInt(DummySectionFragment.ARG_SECTION_NUMBER, i + 1);
			// fragment.setArguments(args);
			return fragment;
		}

		@Override
		public int getCount() {
			return 3;
		}

		@Override
		public CharSequence getPageTitle(int position) {
			switch (position) {
			case 0:
				return getString(R.string.trip_tab_details).toUpperCase();
			case 1:
				return getString(R.string.trip_tab_itinerary).toUpperCase();
			case 2:
				return getString(R.string.trip_tab_recommendations).toUpperCase();
			}
			return null;
		}
	}

	/**
	 * A dummy fragment representing a section of the app, but that simply
	 * displays dummy text.
	 */
	public static class DummySectionFragment extends Fragment {
		public DummySectionFragment() {
		}

		public static final String ARG_SECTION_NUMBER = "section_number";

		@Override
		public View onCreateView(LayoutInflater inflater, ViewGroup container,
				Bundle savedInstanceState) {
			TextView textView = new TextView(getActivity());
			textView.setGravity(Gravity.CENTER);
			Bundle args = getArguments();
			textView.setText(Integer.toString(args.getInt(ARG_SECTION_NUMBER)));
			return textView;
		}
	}

	// Boarding Pass Button
	public void openBoardingPass(View view) {
		File f = new File(Environment.getExternalStorageDirectory()
				.getAbsolutePath()
				+ File.separator
				+ "Download"
				+ File.separator + "krakow.pdf");
		Intent intent = new Intent(Intent.ACTION_VIEW);
		intent.setDataAndType(Uri.fromFile(f), "application/pdf");
		intent.setPackage("com.adobe.reader");
		startActivity(intent);
	}

	public void checkItem(View view) {
		Log.i("TripItineraryActivity", "Checkbox checked");
	}

	public void refreshList() {
		// Refresh list
		int currentItem = mViewPager.getCurrentItem();
		mViewPager.setAdapter(mSectionsPagerAdapter);
		mViewPager.setCurrentItem(currentItem);
	}


}
